I was actually concerned with the holes in the throttle plates when I first picked up the carb, although I know this has been done to improve idle quality on engines with very long duration camshafts. For those that have plugged the holes, was this done by welding, plugging with solid rivets or with screws.
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1972 GTO
468 2 Bolt Main w/Eagle rotating assy
SD Ported 295 KRE D Ports 10.8 CR
OF Hydraulic roller w/ 1.65 stainless rockers
Performer RPM Intake
Holley 3310 780 Vacuum Secondary
TH400 with 10" Continental Convertor
8.2 BOP 4 pinion 10 Bolt with 3.36 gears
11.428/118.95/1.618
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